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AEM Wideband Location?


I recently purchased an AEM wideband.
I have a 930, with a PowerHaus dual tip exhaust. AEM instructions recommend
that the wideband sensor be located 36" from the turbo. Is it okay to mount the sensor after the muffler?

Thanks in advance

John

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1988 Porsche 930 Targa - 3.4L Twin Plug Motor, DC 13 Cams, Supertec Head Studs, ARP Rod Bolts, Port and Polished Heads, Garretson Andial Intercooler, GSX 61 BB Stage 5Turbo, Tial F46 WG .8 Bar Spring, PowerHaus Headers, Rarly8 Dual Tip Muffler, MS3 Pro EFI conversion, 85lbs. Injectors, Center Force Stage 2 Clutch , Rebuilt 4 Speed with LSD.
Old 11-28-2012, 07:30 PM
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You don't want the sensor too close to the outlet. At idle, you can get inversion which will give high AFR numbers.
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Old 11-28-2012, 08:54 PM
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The location I was thinking of is about 16-18" from outlet. Any Alternatives?
Anyone running an AEM wideband? If so where do you have yours mounted?

Thanks in Advance.

John
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1988 Porsche 930 Targa - 3.4L Twin Plug Motor, DC 13 Cams, Supertec Head Studs, ARP Rod Bolts, Port and Polished Heads, Garretson Andial Intercooler, GSX 61 BB Stage 5Turbo, Tial F46 WG .8 Bar Spring, PowerHaus Headers, Rarly8 Dual Tip Muffler, MS3 Pro EFI conversion, 85lbs. Injectors, Center Force Stage 2 Clutch , Rebuilt 4 Speed with LSD.
Old 11-30-2012, 09:48 AM
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Mine is before the muffler on he drivers side in a 2 in 1 out muffler.
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06 Cayenne Turbo S and 11 Cayenne S
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86 930 Slantnose - featured in Mar-Apr 2016 Classic Porsche
Sold: 76 930, 90 C4 Targa, 87 944, 06 Cayenne Turbo, 73 911 ChumpCar endurance racer - featured in May-June & July-Aug 2016 Classic Porsche
Old 11-30-2012, 10:08 PM
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can you get it between the turbo and muffler?

when i moved mine from 12" from tip to between turbo/muffler, my readings stabilized a bunch...
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Old 12-01-2012, 05:45 AM
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Yes, I have about 6" between turbo and muffler. I will try it there.

Thanks

John
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1988 Porsche 930 Targa - 3.4L Twin Plug Motor, DC 13 Cams, Supertec Head Studs, ARP Rod Bolts, Port and Polished Heads, Garretson Andial Intercooler, GSX 61 BB Stage 5Turbo, Tial F46 WG .8 Bar Spring, PowerHaus Headers, Rarly8 Dual Tip Muffler, MS3 Pro EFI conversion, 85lbs. Injectors, Center Force Stage 2 Clutch , Rebuilt 4 Speed with LSD.
Old 12-02-2012, 07:24 AM
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Quote:
Originally Posted by jpilcher View Post
Yes, I have about 6" between turbo and muffler. I will try it there.

Thanks

John
Post a photo when done please.
Old 12-05-2012, 05:20 PM
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^^^ that's exactly where it should be, between the turbo and muffler.
Old 12-06-2012, 02:01 PM
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Moriarty
 
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I just purchased a Uego AFR Analog and I was also wondering where to instal the wideband sensor, between the turbo and the muffler isn't it to close from the turbo, any over heat risk for the sensor ?
Old 01-04-2013, 02:03 PM
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Quote:
Originally Posted by Miguel Antonett View Post
^^^ that's exactly where it should be, between the turbo and muffler.
Good to hear, as that's exactly where I welded the bung on my new muffler, pending installation.
Old 01-04-2013, 04:55 PM
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Moriarty
 
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A picture is always better than words, is this location appropriate ? My only fear is to be too close from the turbo turbine with high temperatures.
Anyway difficult to put it elsewhere as well since it will be too far this time ;-)
Thanks for confirming to the french guy !

Old 01-09-2013, 02:47 AM
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The place you show is common, but you have to angle the sensor a bit to the outside as recommended by Bosch (15°) etc.. Just like this:



Of course the better way is to mount the sensor more away from turbo, but it's not possible on a 930. Some fit the sensor after the muffler, but as you have a twin outlet, not in your case.

BTW: Be sure to route the cable away from turbine housing due the temps there
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Old 01-09-2013, 04:36 AM
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Here's mine with no issues due to heat and the car is pretty much 100% a track rat. Not too pretty but .........
Dave
Old 01-09-2013, 04:41 AM
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Thanks Guys, this is awesome.
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1988 Porsche 930 Targa - 3.4L Twin Plug Motor, DC 13 Cams, Supertec Head Studs, ARP Rod Bolts, Port and Polished Heads, Garretson Andial Intercooler, GSX 61 BB Stage 5Turbo, Tial F46 WG .8 Bar Spring, PowerHaus Headers, Rarly8 Dual Tip Muffler, MS3 Pro EFI conversion, 85lbs. Injectors, Center Force Stage 2 Clutch , Rebuilt 4 Speed with LSD.
Old 01-09-2013, 07:13 PM
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Moriarty
 
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Ok Many thanks to you

Old 01-09-2013, 10:43 PM
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